Studies dating back to the 1930s indicate that laughter 8 muscles, decreasing muscle tone for up to 45 minutes after the laugh dies down.
20 世纪 30 年代的研究表明，笑能放松 8 块肌肉，使肌肉张力在笑停止后降低长达 45 分钟。
Most importantly, it 18 modifies and enhances the games you play to 19 on the strengths you are developing - much like a(n) 20 exercise routine requires you to increase resistance and vary your muscle use.
最重要的是，它18修改并增强你玩的游戏以19你正在培养的优势——就像20锻炼计划要求你增加阻力并变换肌肉使用方式。
I had gained weight in the form of muscle mass, but thinking only of 4 the number on the scale, I altered my training program.
我以增加肌肉质量的形式增重了，但只考虑体重秤上的4这个数字，我调整了我的训练计划。
One study found that muscle loss and the 4 of body fat around the abdomen are associated with a decline in fluid intelligence.
一项研究发现，肌肉流失和腹部脂肪的4与流体智力下降有关。
The researchers looked at data that 7 measurements of lean muscle and abdominal fat from more than 4,000 middle-to-older-aged men and women and 8 that data to reported changes in fluid intelligence over a six-year period.
研究人员查看了来自 4000多名中年至老年男女的 7测量瘦肌肉和腹部脂肪的数据，并 8这些数据来报告六年内流体智力的变化。
例句取自历年考研英语真题，翻译为机器生成，仅供学习参考。